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Beaufort, John, marquess of Dorset and marquess of Somersetlocked

(c. 1371–1410)
  • G. L. Harriss

Extract

Beaufort, John, marquess of Dorset and marquess of Somerset (c. 1371–1410), soldier and administrator, was the first offspring of the liaison between John of Gaunt, duke of Lancaster (1340–1399), and Katherine Swynford (1350?–1403) [see Katherine, duchess of Lancaster]. He became a staunch supporter of ...

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Record Commission
G. E. C. [G. E. Cokayne], , 8 vols. (1887–98); new edn, ed. V. Gibbs & others, 14 vols. in 15 (1910–98); microprint repr. (1982) and (1987)
J. Strachey, ed., , 6 vols. (1767–77)
Chancery records (Public Record Office)
Camden Society